*{
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}
body{
    width: 100%;
    height: 100vh;
}
.box{
    width: 100%;
    height: 100%;
    border-radius: 50%;
}
.one{
    position: absolute;
    width: 20px;
    height: 20px;
    background-color: rgba(28, 128, 228, 0.7);
    opacity: .5;
    border-radius: 50%;
    animation: animate 1s linear infinite;
    box-shadow: 0 0 2px rgba(248, 228, 10,.7),0 0 4px rgba(248, 228, 10,.7),0 0 6px rgba(248, 228, 10,.7),0 0 2px rgba(248, 228, 10,.7);
}
.one::after{
    width: 100px;
    height: 100px;
    background-color: red;
}


@keyframes animate {
    0%{
        filter: blur(0);
        opacity: 1;
        transform: scale(1);
    }
    100%{
        filter: blur(10px);
        opacity: 0;
        transform: scale(.1);
    }
}



